Report Generated 02/01/2022 at 0706

Page Description

2 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

3 - Redding 10-Day Forecasted Air Temperatures

4 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

5 - Shasta Lake Isothermobaths & Cold Water Pool Statistics

14 - Trinity Lake Isothermobaths & Cold Water Pool Statistics

23 - Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

January - 2022
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

Dec 2696 235 3295 43.6 44.9

01/01 50.6 ? 49.8 # - 49.7 49.3 48.8 47.0 46.0 46.1 45.8 45.6 45.0 40.7 41.1 2932 142 3291 43.0 36.9 39.4

01/02 50.4 ? 49.6 # - 49.5 49.1 48.4 46.6 45.6 45.7 45.2 45.4 44.8 40.4 ? 40.3 2757 99 3306 38.0 34.2 36.5

01/03 49.8 49.4 # - 49.2 48.8 48.7 47.4 46.4 46.4 45.5 46.1 44.7 40.3 40.8 3010 126 3303 45.5 44.9 44.5

01/04 49.6 49.1 # - 49.2 49.0 49.1 48.0 47.9 48.1 47.7 48.1 45.1 42.2 42.3 1695 807 3306 52.0 51.2 52.1

01/05 49.9 49.2 # - 49.2 49.3 49.5 49.3 49.1 49.3 48.9 48.7 45.2 43.8 44.4 2790 107 3310 53.5 51.6 51.8

01/06 49.8 49.1 # - 49.2 49.3 49.2 49.4 ? 49.2 49.6 49.5 48.1 45.1 44.4 ? 45.4 2708 97 3269 45.0 45.9 47.0

01/07 49.4 49.0 # - 49.3 49.3 49.3 49.7 49.5 49.6 49.3 ? 48.2 ? 45.1 44.0 45.1 2032 395 3308 48.5 48.6 49.2

01/08 49.4 48.9 # - 49.3 49.2 49.1 49.2 49.0 49.3 49.4 46.8 44.8 42.5 43.8 2713 188 3300 50.0 45.8 47.3

01/09 49.2 48.9 # - 49.1 49.0 48.8 48.1 47.5 47.7 48.0 46.3 44.8 41.9 42.9 2263 195 3311 47.5 41.6 44.7

01/10 49.3 ? 48.8 # - 48.9 48.9 49.0 48.4 47.8 47.8 47.5 47.1 45.1 41.9 43.1 2634 101 3280 52.5 46.9 49.3

01/11 49.4 ? 48.8 # - 48.8 48.8 48.8 48.6 48.2 48.3 48.1 47.4 45.3 42.4 43.3 2937 111 3258 53.0 46.0 49.1

01/12 49.3 ? 48.5 # - 48.7 48.7 48.5 48.1 47.8 47.9 47.8 46.8 45.2 42.4 43.1 3646 224 3258 46.5 42.0 44.8

01/13 48.9 48.4 # - 48.8 48.8 48.7 48.2 47.8 47.8 47.7 46.7 45.4 42.1 43.0 3044 310 3239 49.5 44.9 48.2

01/14 49.4 48.8 # - 48.7 48.8 48.9 48.7 48.3 48.4 48.1 47.2 45.5 42.5 43.2 2769 122 3267 59.0 51.8 55.3

01/15 49.1 48.8 # - 48.6 48.7 48.7 48.6 48.2 48.3 48.3 46.7 45.4 41.6 42.4 2833 372 3257 54.5 45.6 48.9

01/16 48.9 48.3 # - 48.4 48.4 48.3 48.0 47.6 47.7 47.8 46.1 45.5 41.2 41.7 2948 253 3241 46.0 41.0 44.5

01/17 48.7 47.9 # - 48.5 48.5 48.3 47.7 47.2 47.3 47.3 46.0 45.5 41.5 41.8 2399 77 3256 47.0 41.9 45.8

01/18 48.2 47.8 # - 48.5 48.5 48.4 48.0 47.4 47.4 47.1 46.3 45.6 41.7 42.0 3280 36 3280 48.0 43.0 45.2

01/19 48.4 ? 47.7 # - 48.3 48.5 48.6 48.3 47.9 47.9 47.6 46.9 45.7 42.3 42.7 3290 0 3290 53.0 49.2 52.1

01/20 48.5 ? 47.7 # - 48.1 48.3 48.6 48.9 48.8 48.8 48.6 47.4 45.7 42.9 43.3 3343 0 3328 53.5 47.8 51.3

01/21 48.2 ? 47.5 # - 48.0 48.1 48.1 48.5 48.5 ? 48.6 48.8 46.7 45.8 43.3 43.8 3042 5 3336 54.0 54.0 55.9

01/22 48.1 ? 47.5 # - ? 47.9 48.1 48.2 48.5 48.4 ? 48.4 48.5 46.8 45.6 42.1 43.1 3161 14 3334 63.0 59.7 58.0

01/23 48.4 47.7 # - ? 47.8 48.1 48.3 48.7 48.5 ! - 48.6 47.0 45.6 41.9 42.9 3229 14 3332 56.0 49.2 53.0

01/24 48.0 47.3 # - ? 47.7 47.8 47.8 48.1 48.1 ! - 48.5 46.3 45.6 41.8 42.3 2864 133 3326 48.0 43.3 46.5

01/25 48.1 47.4 # - ? 47.8 47.9 47.8 47.7 47.6 ! - 47.8 46.2 45.7 42.0 42.2 2885 14 3324 51.5 48.8 50.7

01/26 47.8 47.4 # - 47.7 47.8 47.7 47.4 ? 47.4 47.1 47.5 45.8 45.4 40.8 41.3 3130 27 3323 49.0 43.0 47.5

01/27 48.2 47.5 # - 47.5 47.6 47.6 47.3 47.2 46.9 47.3 46.1 45.4 40.3 40.6 3264 62 3311 51.5 45.0 50.5

01/28 48.2 47.5 # - 47.5 47.5 47.5 47.2 47.2 46.9 47.1 45.9 45.3 40.5 40.5 2724 15 3284 51.0 44.6 47.3

01/29 47.6 47.1 # - 47.4 47.5 47.5 47.2 47.2 46.9 47.1 45.8 45.3 40.5 40.7 2900 43 3281 49.5 43.6 47.1

01/30 47.4 46.8 # - 47.4 47.5 47.5 47.2 47.2 47.0 47.2 46.0 45.5 41.0 41.0 2998 37 3293 46.5 42.7 46.0

01/31 47.3 46.7 # - 47.4 47.6 47.5 47.4 47.5 47.2 47.5 46.0 45.5 42.2 42.5 3324 140 3307 49.0 46.1 49.1

Jan 2889 138 3294 45.8 48.3

89544 4266 102109

Legend Notes 177607 8461 202529

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current Sacramento River control point (see page 4 for more details)

↑ = Record high air temperature

↓ = Record low air temperature

 = Monthly Averages

Total AF

49.2 49.4

RDB

47.8 46.7

LWS

45.3 41.9

DGC

44.4

Mean Daily Air 

Temperatures (°F)

RDD

45.5

Total CFS

42.5 50.1

Mean Daily 

Release (CFS)

NFH

44.5

Mean Daily Water Temperatures (°F)

48.4

JLF BND IGO

48.4

BSF

- 52.1 51.7 51.5 50.1 49.5 49.7

D

A

T

E

53.0 52.5

SAC CCR 2 TCD1 SHD SPP1 KWK

48.8 48.2 - 48.5 48.4 48.1 47.8 47.8

2
↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

01/01 29 53 41.0 37 49 43.0 26 45 35.5 32 47 39.5 42 51 46.5 45 54 49.5 41 56 48.5 42 52 47.0 39 55 47.0 39 55 47.0 36 60 48.0 40 61 50.5

01/02 31 55 43.0 31 44 37.5 34 48 41.0 42 51 46.5 45 53 49.0 43 55 49.0 45 52 48.5 39 54 46.5 39 57 48.0 42 58 50.0 36 58 47.0 39 61 50.0

01/03 30 46 38.0 39 49 44.0 44 51 47.5 45 52 48.5 44 54 49.0 46 52 49.0 40 55 47.5 35 56 45.5 37 58 47.5 43 59 51.0 37 59 48.0 41 58 49.5

01/04 39 52 45.5 49 51 50.0 45 53 49.0 42 55 48.5 45 52 48.5 38 55 46.5 33 56 44.5 35 58 46.5 37 58 47.5 36 57 46.5 40 59 49.5 39 60 49.5

01/05 50 54 52.0 51 53 52.0 40 55 47.5 44 52 48.0 38 55 46.5 33 57 45.0 36 57 46.5 36 58 47.0 38 59 48.5 40 60 50.0 37 62 49.5 41 63 52.0

01/06 49 58 53.5 41 58 49.5 45 52 48.5 37 56 46.5 33 57 45.0 36 57 46.5 37 59 48.0 39 58 48.5 37 61 49.0 40 60 50.0 38 61 49.5 39 63 51.0

01/07 40 50 45.0 47 52 49.5 36 55 45.5 33 56 44.5 37 58 47.5 37 60 48.5 38 57 47.5 40 58 49.0 36 61 48.5 40 61 50.5 39 61 50.0 40 63 51.5

01/08 44 53 48.5 41 56 48.5 33 57 45.0 37 59 48.0 37 61 49.0 38 58 48.0 39 60 49.5 37 59 48.0 40 59 49.5 39 59 49.0 39 62 50.5 40 63 51.5

01/09 39 61 50.0 32 61 46.5 37 59 48.0 37 62 49.5 38 58 48.0 39 59 49.0 37 60 48.5 40 63 51.5 42 62 52.0 39 62 50.5 39 61 50.0 40 64 52.0

01/10 32 63 47.5 39 61 50.0 38 62 50.0 39 61 50.0 38 61 49.5 41 62 51.5 37 63 50.0 38 62 50.0 40 64 52.0 40 59 49.5 41 60 50.5 42 60 51.0

01/11 38 67 52.5 42 65 53.5 40 65 52.5 39 65 52.0 39 63 51.0 41 64 52.5 37 62 49.5 38 60 49.0 38 63 50.5 39 63 51.0 41 63 52.0 42 61 51.5

01/12 40 66 53.0 33 65 49.0 38 66 52.0 42 69 55.5 39 64 51.5 38 62 50.0 38 61 49.5 38 61 49.5 42 64 53.0 43 66 54.5 42 66 54.0 43 66 54.5

01/13 32 61 46.5 36 62 49.0 41 66 53.5 38 67 52.5 38 66 52.0 38 64 51.0 38 61 49.5 38 64 51.0 42 66 54.0 45 64 54.5 41 63 52.0 43 62 52.5

01/14 35 64 49.5 44 67 55.5 38 70 54.0 37 64 50.5 38 65 51.5 38 64 51.0 38 65 51.5 40 65 52.5 47 67 57.0 48 65 56.5 41 63 52.0 42 64 53.0

01/15 47 71 59.0 37 66 51.5 36 63 49.5 36 62 49.0 37 62 49.5 37 64 50.5 40 65 52.5 41 67 54.0 40 61 50.5 41 63 52.0 38 60 49.0 36 63 49.5

01/16 37 72 54.5 32 64 48.0 35 65 50.0 38 65 51.5 37 67 52.0 40 67 53.5 39 67 53.0 42 67 54.5 38 63 50.5 38 63 50.5 40 63 51.5 41 64 52.5

01/17 31 61 46.0 32 62 47.0 38 63 50.5 39 64 51.5 41 67 54.0 42 67 54.5 42 67 54.5 39 67 53.0 42 66 54.0 41 64 52.5 39 62 50.5 39 63 51.0

01/18 31 63 47.0 34 62 48.0 40 65 52.5 42 67 54.5 42 64 53.0 41 66 53.5 39 65 52.0 37 65 51.0 42 68 55.0 43 66 54.5 41 65 53.0 41 64 52.5

01/19 33 63 48.0 36 66 51.0 44 68 56.0 42 64 53.0 42 67 54.5 40 67 53.5 37 66 51.5 38 67 52.5 43 68 55.5 43 66 54.5 42 65 53.5 42 65 53.5

01/20 36 70 53.0 42 67 54.5 41 63 52.0 42 66 54.0 40 67 53.5 38 66 52.0 38 66 52.0 37 66 51.5 42 67 54.5 40 65 52.5 39 64 51.5 41 65 53.0

01/21 40 67 53.5 42 64 53.0 44 68 56.0 39 69 54.0 37 67 52.0 38 69 53.5 36 67 51.5 36 67 51.5 41 67 54.0 41 63 52.0 40 60 50.0 40 56 48.0

01/22 41 67 54.0 55 70 62.5 42 71 56.5 38 68 53.0 36 65 50.5 36 68 52.0 37 67 52.0 38 65 51.5 42 68 55.0 40 67 53.5 43 63 53.0 41 63 52.0

01/23 54 72 63.0 44 75 59.5 36 69 52.5 37 72 54.5 35 70 52.5 37 69 53.0 37 64 50.5 38 64 51.0 41 69 55.0 41 65 53.0 40 59 49.5 38 57 47.5

01/24 39 73 56.0 33 72 52.5 38 73 55.5 34 67 50.5 35 66 50.5 36 63 49.5 38 65 51.5 39 63 51.0 40 61 50.5 44 55 49.5 38 57 47.5 40 58 49.0

01/25 33 63 48.0 35 68 51.5 33 67 50.0 35 67 51.0 36 66 51.0 36 67 51.5 36 62 49.0 37 59 48.0 34 53 43.5 33 59 46.0 36 59 47.5 36 65 50.5

01/26 34 69 51.5 32 66 49.0 35 68 51.5 36 65 50.5 35 67 51.0 37 60 48.5 36 60 48.0 33 61 47.0 39 62 50.5 40 63 51.5 39 63 51.0 40 63 51.5

01/27 31 67 49.0 31 67 49.0 35 68 51.5 33 66 49.5 34 61 47.5 36 62 49.0 35 59 47.0 35 63 49.0 40 64 52.0 39 63 51.0 38 64 51.0 39 67 53.0

01/28 31 72 51.5 32 68 50.0 35 69 52.0 35 64 49.5 36 67 51.5 37 60 48.5 35 60 47.5 33 63 48.0 43 69 56.0 40 67 53.5 40 67 53.5 41 68 54.5

01/29 31 71 51.0 30 71 50.5 33 68 50.5 38 67 52.5 38 62 50.0 36 63 49.5 35 65 50.0 35 66 50.5 40 67 53.5 39 68 53.5 38 67 52.5 42 68 55.0

01/30 30 69 49.5 30 68 49.0 35 66 50.5 36 59 47.5 34 65 49.5 36 66 51.0 35 65 50.0 35 69 52.0 47 68 57.5 44 69 56.5 41 69 55.0 41 70 55.5

01/31 30 63 46.5 29 63 46.0 36 58 47.0 32 58 45.0 36 67 51.5 34 66 50.0 38 70 54.0 38 70 54.0 42 68 55.0 39 70 54.5 43 70 56.5 40 67 53.5

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days 9 Days 10 Days

Redding (RDD) Daily Air Temperatures (°F)

8 Days

3
Code Body of Water Location1 CDEC Link River Point Temp. (°F) Begin Date End Date

TCD N/A Shasta Power Plant N/A Sacramento CCR 56 09/21/2020 04/18/2021

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here Sacramento CCR 60 04/18/2021 05/17/2021

SPP N/A Spring Creek Power Plant N/A Sacramento SAC 57 05/17/2021 06/15/2021

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here Sacramento SAC 55 06/15/2021 TBD

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here Trinity DGC 56 09/15/2021 10/01/2021

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here Trinity NFH 56 10/01/2021 12/31/2021

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here Notes

DGC Trinity River 19 miles downstream of Lewiston Dam Click Here

NFH Trinity River 38 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

Station Details Water Right Temperature Control Points

35

38

41

44

47

50

53

56

59

62

65

46

47

48

49

50

51

52

53

54

55

56

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)

4
Updated 01/13/2022 at 1054

Latest Profile Date: 01/11/2022

Page Description

6 - Shasta Lake Isothermobaths Plot

7 - Shasta Lake Cold Water Pool Volume ≤52°F

8 - Shasta Lake Cold Water Pool Volume ≤50°F

9 - Shasta Lake Cold Water Pool Volume ≤48°F

10 - Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

11 - Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

12 - Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

13 - Shasta Lake Cold Water Pool Comparison by Year

Shasta Lake Isothermobaths & Cold Water Pool Statistics

2022

5
6

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
7

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F

Avg (1998-2021) 2014 2015 2016 2019 2022
8

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F

Avg (1998-2021) 2014 2015 2016 2019 2022
9

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F

Avg (1998-2021) 2014 2015 2016 2019 2022
10

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
11

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
12

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
Jan-11

2022 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

1998 -224 -263 -98 195 -15 -18 -28 21

1999 1869 -203 497 857 127 -14 144 95

2000 1197 -698 -81 659 82 -48 -24 51

2001 833 -1010 -233 692 57 -69 -67 64

2002 776 681 49 502 53 46 14 38

2003 1847 -503 15 789 126 -34 4 55

2004 1983 -559 -226 923 135 -38 -65 79

2005 212 -80 -39 111 14 -5 -11 10

2006 2019 -495 -123 879 137 -34 -36 69

2007 1894 -748 -76 906 129 -51 -22 67

2008 425 -709 260 465 29 -48 75 51

2009 -213 -213 -173 200 -14 -15 -50 26

2010 509 -548 -6 354 35 -37 -2 25

2011 2004 -624 -172 933 136 -43 -50 76

2012 1598 -730 128 819 109 -50 37 65

2013 1915 -457 109 827 130 -31 31 64

2014 188 -894 -19 367 13 -61 -6 26

2015 450 -1044 -274 589 31 -71 -79 60

2016 -50 -61 61 58 -3 -4 18 8

2017 2010 1977 212 1400 137 135 61 111

2018 -327 -849 18 398 -22 -58 5 28

2019 -406 -651 -226 428 -28 -44 -65 46

2020 -7 -680 -51 246 0 -46 -15 21

2021 483 -1068 -258 603 33 -73 -75 60

2022 0 0 0 0 0 0 0 0

∆ TAF % ∆

Shasta Lake Cold Water Pool Comparison by Year (for Specified Date)

Historic - Current (Historic - Current) / Current

13
Updated 01/20/2022 at 1449

Latest Profile Date: 01/12/2022

Page Description

15 - Trinity Lake Isothermobaths Plot

16 - Trinity Lake Cold Water Pool Volume ≤52°F

17 - Trinity Lake Cold Water Pool Volume ≤50°F

18 - Trinity Lake Cold Water Pool Volume ≤48°F

19 - Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

20 - Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

21 - Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

22 - Trinity Lake Cold Water Pool Comparison by Year

Trinity Lake Isothermobaths & Cold Water Pool Statistics

2022

14
15

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
16

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F

Avg (2000-2021) 2014 2015 2016 2019 2022
17

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F

Avg (2000-2021) 2014 2015 2016 2019 2022
18

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F

Avg (2000-2021) 2014 2015 2016 2019 2022
19

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
20

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
21

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
Jan-12

2022 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

2000 1239 1240 1241 1240 172 172 173 172

2001 982 983 284 749 136 137 40 104

2002 570 541 498 537 79 75 69 75

2003 912 913 871 899 127 127 121 125

2004 1118 1030 1010 1053 155 143 141 146

2005 807 290 161 419 112 40 22 58

2006 1093 1062 1010 1055 152 148 141 147

2007 1073 1074 628 925 149 149 87 129

2008 619 614 606 613 86 85 84 85

2009 206 201 198 201 29 28 28 28

2010 248 -28 -75 117 34 -4 -10 16

2011 1014 1015 1016 1015 141 141 141 141

2012 1235 538 409 727 172 75 57 101

2013 1077 1071 1061 1070 150 149 148 149

2014 403 397 390 397 56 55 54 55

2015 110 103 -65 92 15 14 -9 13

2016 -154 -154 -410 240 -21 -21 -57 33

2017 699 242 171 371 97 34 24 52

2018 1035 1035 42 704 144 144 6 98

2019 810 579 530 640 113 80 74 89

2020 1241 1242 1243 1242 172 173 173 173

2021 534 378 350 420 74 52 49 58

2022 0 0 0 0 0 0 0 0

Trinity Cold Water Pool Comparison by Year (for Specified Date)

∆ TAF % ∆

Historic - Current (Historic - Current) / Current

22
Updated 01/20/2022 at 1447

Latest Profile Date: 01/12/2022

Page Description

24 - Whiskeytown Lake Isothermobaths Plot

25 - Whiskeytown Lake Cold Water Pool Volume ≤60°F

26 - Whiskeytown Lake Cold Water Pool Volume ≤58°F

27 - Whiskeytown Lake Cold Water Pool Volume ≤56°F

28 - Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances

29 - Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances

30 - Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances

31 - Whiskeytown Lake Cold Water Pool Comparison by Year

Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

2022

23
24

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
25

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F

Avg (2000-2021) 2014 2015 2016 2019 2022
26

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F

Avg (2000-2021) 2014 2015 2016 2019 2022
27

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F

Avg (2000-2021) 2014 2015 2016 2019 2022
28

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
29

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
30

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
Jan-12

2022 ≤60° ≤58° ≤56° Abs. Avg. ≤60° ≤58° ≤56° Abs. Avg.

2000 -1.4 -1.4 -1.4 1.4 -0.7 -0.7 -0.7 0.7

2001 4.1 4.1 4.1 4.1 2.0 2.0 2.0 2.0

2002 1.3 1.3 1.3 1.3 0.6 0.6 0.6 0.6

2003 -0.6 -0.6 -0.6 0.6 -0.3 -0.3 -0.3 0.3

2004 -0.7 -0.7 -0.7 0.7 -0.3 -0.3 -0.3 0.3

2005 1.7 1.7 1.7 1.7 0.8 0.8 0.8 0.8

2006 -1.5 -1.5 -1.5 1.5 -0.7 -0.7 -0.7 0.7

2007 -1.9 -1.9 -1.9 1.9 -0.9 -0.9 -0.9 0.9

2008 -2.3 -2.3 -2.3 2.3 -1.1 -1.1 -1.1 1.1

2009 -0.5 -0.5 -0.5 0.5 -0.2 -0.2 -0.2 0.2

2010 2.4 2.4 2.4 2.4 1.2 1.2 1.2 1.2

2011 -2.0 -2.0 -2.0 2.0 -1.0 -1.0 -1.0 1.0

2012 -1.7 -1.7 -1.7 1.7 -0.8 -0.8 -0.8 0.8

2013 -0.1 -0.1 -0.1 0.1 -0.1 -0.1 -0.1 0.1

2014 -1.9 -1.9 -1.9 1.9 -0.9 -0.9 -0.9 0.9

2015 -0.4 -0.4 -0.4 0.4 -0.2 -0.2 -0.2 0.2

2016 5.7 5.7 5.7 5.7 2.7 2.7 2.7 2.7

2017 14.4 14.4 14.4 14.4 7.0 7.0 7.0 7.0

2018 -2.1 -2.1 -2.1 2.1 -1.0 -1.0 -1.0 1.0

2019 2.8 2.8 2.8 2.8 1.4 1.4 1.4 1.4

2020 -0.4 -0.4 -0.4 0.4 -0.2 -0.2 -0.2 0.2

2021 -2.0 -2.0 -2.0 2.0 -1.0 -1.0 -1.0 1.0

2022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

∆ TAF % ∆

Whiskeytown Cold Water Pool Comparison by Year (for Specified Date)

Historic - Current (Historic - Current) / Current

31